CN214743075U - Double-motor gear-shifting unpowered-interruption two-gear variable-speed transmission device - Google Patents
Double-motor gear-shifting unpowered-interruption two-gear variable-speed transmission device Download PDFInfo
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- CN214743075U CN214743075U CN202023121344.8U CN202023121344U CN214743075U CN 214743075 U CN214743075 U CN 214743075U CN 202023121344 U CN202023121344 U CN 202023121344U CN 214743075 U CN214743075 U CN 214743075U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/64—Electric machine technologies in electromobility
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Abstract
The utility model belongs to the technical field of the electric automobile transmission, especially, relate to a two that bi-motor shifted unpowered interrupt keep off variable speed drive. The utility model discloses to the limited problem of transmission structure range of application among the prior art, provide a two fender variable speed drive device of unpowered interrupt of bi-motor shifting, including first driving motor and second driving motor, be connected with first power input shaft on the first driving motor, be connected with second power input shaft on the second driving motor, still include output assembly and shift assembly, drive mechanism includes a plurality of drive gear, and at least one drive gear links firmly on second power input shaft. The utility model discloses a drive mechanism transmits to the output assembly after converging first driving motor and second driving motor, and at the in-process of shifting, and this drive gear of the still accessible of second driving motor power is with power input, can not take place the problem that power is interrupted, has enlarged the range of application.
Description
Technical Field
The utility model belongs to the technical field of the electric automobile transmission, especially, relate to a two that bi-motor shifted unpowered interrupt keep off variable speed drive.
Background
The rapid development of the automobile industry and the increasing demand of people for automobiles drive the continuous increase of the automobile output and the automobile holding capacity, thereby aggravating the energy problems and the environmental problems which are generally concerned by people at present. The pure electric vehicle has the characteristics of low noise, no pollution, diversified energy sources and high energy efficiency, and is an important way for solving the vehicle problem in urbanization.
At present, in an electric drive axle with double-speed parallel shafts, an automobile manufacturer uses a drive motor, in order to meet the requirement of dynamic property, the size and the mass of the motor are large, the motor not only occupies a large chassis structure arrangement space, but also influences the arrangement quantity of batteries; the maximum rotating speed of the motor is generally low, the efficient working area of the motor is narrow, the energy utilization rate is low, the driving range of the vehicle is short, and the dynamic property and the economical efficiency of the whole vehicle are hardly considered.
In order to solve this problem, research and study have been conducted in long-term production and life practice, for example, the chinese utility model discloses an electric drive axle with two motors and two parallel shafts [ application number: 201921543244.9], the utility model discloses a including first motor, gear box, reduction gear assembly, first wheel and second wheel, the gear box contains the reduction gear assembly, and its characterized in that is installed in one side of gear box to first motor: the speed reducer assembly comprises a first-gear first-stage driving gear and a first-gear first-stage driven gear which are meshed, a second-gear first-stage driving gear and a second-gear first-stage driven gear which are meshed, a two-gear shifting system, a second-gear driving gear and a second-gear driven gear which are meshed; the gear box is characterized by also comprising a second motor, wherein the second motor is arranged on the other side of the gear box; the motor shafts of the first motor and the second motor are parallel to the transmission shaft of the transmission shaft assembly; the first-gear first-stage driven gear, the second-gear first-stage driven gear, the two-gear shifting system and the second-stage driving gear are arranged on the intermediate shaft.
The utility model discloses a although be provided with two driving motor, in the use, two motor independent drives provide power for two grades that correspond, can't realize power and converge, and the range of application is restricted.
SUMMERY OF THE UTILITY MODEL
The utility model aims at the above-mentioned problem, a can join two motor drive power and the process of shifting the two motors of the unpowered not interrupted speed change transmission that keeps off of shifting of unpowered interruption is provided.
In order to achieve the above purpose, the utility model adopts the following technical proposal:
the utility model provides a bi-motor shifts two that do not have power interruption and keeps off variable speed drive, includes first driving motor and second driving motor, be connected with first power input shaft on the first driving motor, be connected with second power input shaft on the second driving motor, still include the output assembly, first power input shaft and second power input shaft all are connected with the output assembly drive through drive mechanism, still include the subassembly of shifting, and the subassembly of shifting slides can make drive mechanism switch out two inequality transmission paths, drive mechanism includes a plurality of drive gear, and at least one drive gear links firmly on second power input shaft.
In foretell two fender variable speed transmission device that no power interruption shifted double-motor, drive mechanism includes the transmission shaft, the rigid coupling has third drive gear and fourth drive gear on the transmission shaft, third drive gear meshes with first drive gear mutually, fourth drive gear meshes with second drive gear mutually, first drive gear links firmly on second power input shaft, third drive gear is connected with the output assembly drive.
In the dual-motor gear-shifting power-interruption-free two-gear variable-speed transmission device, the gear shifting assembly is arranged on the first power input shaft and is circumferentially and fixedly axially connected with the first power input shaft in a sliding manner, and the sliding gear shifting assembly can enable the gear shifting assembly to be coupled or decoupled with the first transmission gear and the second transmission gear.
In the above two-gear variable-speed transmission device without power interruption during gear shifting of the dual motor, the gear shifting assembly includes a first spline fixedly connected to the first transmission gear and a second spline fixedly connected to the second transmission gear, the gear sleeve is disposed on the first power input shaft and is circumferentially and axially slidably connected to the first power input shaft, and the sliding gear sleeve can couple or decouple the gear sleeve with the first spline and the second spline.
In the above two-gear speed change transmission device without power interruption for dual-motor gear shifting, the transmission shaft and the first power input shaft are parallel to each other, and the transmission shaft and the second power input shaft are parallel to each other.
In the above two-gear speed change transmission device without power interruption in dual-motor gear shifting, the axial lead of the first power input shaft and the axial lead of the second power input shaft coincide with each other.
In the above two-gear variable-speed transmission device without power interruption during dual-motor gear shifting, the first driving motor and the second driving motor are driving motors of the same type or different types.
In the above two-gear variable-speed transmission device without power interruption in dual-motor gear shifting, the output assembly includes a left output half shaft and a right output half shaft, the left wheel is connected to the left output half shaft, the right wheel is connected to the right output half shaft, and both the left output half shaft and the right output half shaft are in driving connection with the transmission mechanism.
In the dual-motor gear-shifting two-gear variable-speed transmission device without power interruption, the output assembly further comprises a differential assembly, a fifth transmission gear is fixedly connected to the differential assembly and meshed with the transmission mechanism, and the left output half shaft and the right output half shaft are respectively connected to two sides of the differential assembly.
Compared with the prior art, the utility model has the advantages of:
1. the utility model discloses a drive mechanism converges first driving motor and second driving motor and then transmits to the output assembly, and drive mechanism is last to have at least a drive gear rigid coupling on second power input shaft, and at the in-process of shifting, this drive gear of the still accessible of second driving motor's power is with power input, can not take place the problem that power is interrupted, has enlarged the range of application.
2. The utility model discloses only be equipped with two grades of transmissions, transmission simple structure is compact, the installation setting of being convenient for.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: the transmission device comprises a first driving motor 1, a second driving motor 2, a first power input shaft 3, a second power input shaft 4, an output assembly 5, a transmission mechanism 6, a gear shifting component 7, a left output half shaft 51, a right output half shaft 52, a left wheel 53, a right wheel 54, a differential assembly 55, a fifth transmission gear 56, a transmission shaft 61, a third transmission gear 62, a fourth transmission gear 63, a first transmission gear 64, a second transmission gear 65, a first spline 71, a second spline 72 and a gear sleeve 73.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, a two-gear speed change transmission device with dual-motor gear shifting and no power interruption comprises a first driving motor 1 and a second driving motor 2, wherein the first driving motor 1 and the second driving motor 2 can be driving motors of the same type or driving motors of different types. Be connected with first power input shaft 3 on the first driving motor 1, be connected with second power input shaft 4 on the second driving motor 2, still include output assembly 5, first power input shaft 3 and second power input shaft 4 all are connected with output assembly 5 drive through drive mechanism 6, still include shift unit 7, and slip shift unit 7 can make drive mechanism 6 switch out two inequality transmission paths, drive mechanism 6 includes a plurality of drive gear, and at least one drive gear links firmly on second power input shaft 4. The power of the second driving motor 2 can be transmitted to the output assembly 5 through the second power input shaft 4 and the transmission gear fixedly connected to the second power input shaft 4, so that the problem of power interruption can not occur in the gear shifting process.
The utility model discloses, during the use, start first driving motor 1 and second driving motor 2, first driving motor 1 is with power input to drive mechanism 6 through first power input shaft 3, second driving motor 2 is with power input to drive mechanism 6 through second power input shaft 4, realize on drive mechanism 6 that power converges and carries to output assembly 5, when needing to shift, slip the subassembly 7 of shifting makes power transmit through the transmission route of difference on the drive mechanism 6, thereby change the switching that total drive ratio realized the gear. The event the utility model discloses a drive mechanism 6 is with first driving motor 1 and second driving motor 2 after converging the flow transmission to output assembly 5, and drive mechanism 6 is last to have at least a drive gear rigid coupling on second power input shaft 4, at the in-process of shifting, and this drive gear of the still accessible of power of second driving motor 2 is with power input, can not take place the problem that power is interrupted, has enlarged the range of application.
Preferably, the shaft axis of the first power input shaft 3 and the shaft axis of the second power input shaft 4 coincide with each other. Namely, the first driving motor 1 and the second driving motor 2 are coaxially arranged, so as to obtain larger torque.
Specifically, drive mechanism 6 includes transmission shaft 61, the rigid coupling has third drive gear 62 and fourth drive gear 63 on the transmission shaft 61, third drive gear 62 meshes with first drive gear 64 mutually, fourth drive gear 63 meshes with second drive gear 65 mutually, first drive gear 64 links firmly on second power input shaft 4, third drive gear 62 is connected with output assembly 5 drive.
Preferably, the transmission shaft 61 and the first power input shaft 3 are parallel to each other, and the transmission shaft 61 and the second power input shaft 4 are parallel to each other. This ensures stability of the transmission process.
As shown in fig. 1, the shift assembly 7 is disposed on the first power input shaft 3 and is connected to the first power input shaft 3 in a circumferentially fixed and axially sliding manner, and the sliding shift assembly 7 can couple or decouple the shift assembly 7 with the first transmission gear 64 and the second transmission gear 65.
Specifically, the gear shift assembly 7 includes a first spline 71 fixedly connected to the first transmission gear 64 and a second spline 72 fixedly connected to the second transmission gear 65, a sleeve gear 73 is disposed on the first power input shaft 3 and is circumferentially and axially slidably connected to the first power input shaft 3, and the sliding sleeve gear 73 can couple or decouple the sleeve gear 73 with the first spline 71 and the second spline 72. When the gear sleeve 73 is coupled with the transmission gear, the first power input shaft 3 can drive the transmission gear to synchronously rotate.
As shown in fig. 1, the output assembly 5 includes a left output half shaft 51 and a right output half shaft 52, a left wheel 53 is connected to the left output half shaft 51, a right wheel 54 is connected to the right output half shaft 52, and the left output half shaft 51 and the right output half shaft 52 are both in driving connection with the transmission mechanism 6.
As shown in fig. 1, the output assembly 5 further includes a differential assembly 55, a fifth transmission gear 56 is fixedly connected to the differential assembly 55, the fifth transmission gear 56 is engaged with the transmission mechanism 6, and the left output half shaft 51 and the right output half shaft 52 are respectively connected to two sides of the differential assembly 55. The differential assembly 55 may be selected from the specific configurations of prior art differentials. Differential assembly 55 enables the drive wheels to rotate at different rotational speeds.
The utility model discloses a first grade power transmission route does: sliding the gear sleeve 73 to couple the gear sleeve 73 with the second spline 72, wherein the first power input shaft 3 can drive the second transmission gear 65 to rotate, and the power of the first driving motor 1 is transmitted to the differential assembly 55 through the second transmission gear 65, the fourth transmission gear 63, the third transmission gear 62 and the fifth transmission gear 56 in sequence and acts on the left output half shaft 51 and the right output half shaft 52; the power of the second driving motor 2 is transmitted to the differential assembly 55 through the first transmission gear 64, the third transmission gear 62 and the fifth transmission gear 56 in sequence and acts on the left output half shaft 51 and the right output half shaft 52, and the power of the first driving motor 1 and the power of the second driving motor 2 are converged on the third transmission gear 62.
The second-gear power transmission route is as follows: sliding the gear sleeve 73 to couple the gear sleeve 73 with the first spline 71, wherein the first power input shaft 3 can drive the first transmission gear 64 to rotate, and the power of the first driving motor 1 is transmitted to the differential assembly 55 through the first transmission gear 64, the third transmission gear 62 and the fifth transmission gear 56 in sequence and acts on the left output half shaft 51 and the right output half shaft 52; the power of the second driving motor 2 is transmitted to the differential assembly 55 through the first transmission gear 64, the third transmission gear 62 and the fifth transmission gear 56 in sequence and acts on the left output half shaft 51 and the right output half shaft 52, and the power of the first driving motor 1 and the power of the second driving motor 2 are converged on the first transmission gear 64.
The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.
Although the terms of the first driving motor 1, the second driving motor 2, the first power input shaft 3, the second power input shaft 4, the output assembly 5, the transmission mechanism 6, the gear shift assembly 7, the left output half shaft 51, the right output half shaft 52, the left wheel 53, the right wheel 54, the differential assembly 55, the fifth transmission gear 56, the transmission shaft 61, the third transmission gear 62, the fourth transmission gear 63, the first transmission gear 64, the second transmission gear 65, the first spline 71, the second spline 72, the gear sleeve 73 and the like are used more frequently herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.
Claims (7)
1. The utility model provides a two that bi-motor shifts unpowered interrupt keep off variable speed drive, includes first driving motor (1) and second driving motor (2), be connected with first power input shaft (3) on first driving motor (1), be connected with second power input shaft (4) on second driving motor (2), still include output assembly (5), first power input shaft (3) and second power input shaft (4) all are connected its characterized in that through drive mechanism (6) and output assembly (5) drive: the transmission mechanism (6) can be switched into two different transmission paths by sliding the gear shifting assembly (7), the transmission mechanism (6) comprises a plurality of transmission gears, and at least one transmission gear is fixedly connected to the second power input shaft (4); the transmission mechanism (6) comprises a transmission shaft (61), a third transmission gear (62) and a fourth transmission gear (63) are fixedly connected to the transmission shaft (61), the third transmission gear (62) is meshed with a first transmission gear (64), the fourth transmission gear (63) is meshed with a second transmission gear (65), the first transmission gear (64) is fixedly connected to a second power input shaft (4), and the third transmission gear (62) is in driving connection with an output assembly (5); the gear shifting assembly (7) is arranged on the first power input shaft (3) and is in circumferential fixed axial sliding connection with the first power input shaft (3), and the sliding gear shifting assembly (7) can enable the gear shifting assembly (7) to be coupled or decoupled with the first transmission gear (64) and the second transmission gear (65).
2. The dual motor shift power-interrupt-free two-speed transmission of claim 1, wherein: the gear shifting assembly (7) comprises a first spline (71) fixedly connected to the first transmission gear (64) and a second spline (72) fixedly connected to the second transmission gear (65), a gear sleeve (73) is arranged on the first power input shaft (3) and is circumferentially and fixedly axially connected with the first power input shaft (3) in a sliding mode, and the gear sleeve (73) can be coupled or decoupled with the first spline (71) and the second spline (72) through the sliding gear sleeve (73).
3. The dual motor shift power-interrupt-free two-speed transmission of claim 1, wherein: the transmission shaft (61) is parallel to the first power input shaft (3), and the transmission shaft (61) is parallel to the second power input shaft (4).
4. The dual motor shift power-interrupt-free two-speed transmission of claim 1, wherein: the axial lead of the first power input shaft (3) and the axial lead of the second power input shaft (4) are mutually overlapped.
5. The dual motor shift power-interrupt-free two-speed transmission of claim 1, wherein: the first driving motor (1) and the second driving motor (2) are driving motors of the same type or different types.
6. The dual motor shift power-interrupt-free two-speed transmission of claim 1, wherein: the output assembly (5) comprises a left output half shaft (51) and a right output half shaft (52), a left wheel (53) is connected to the left output half shaft (51), a right wheel (54) is connected to the right output half shaft (52), and the left output half shaft (51) and the right output half shaft (52) are in driving connection with the transmission mechanism (6).
7. The dual motor shift power-interrupt-free two-speed transmission of claim 6, wherein: the output assembly (5) further comprises a differential assembly (55), a fifth transmission gear (56) is fixedly connected to the differential assembly (55), the fifth transmission gear (56) is meshed with the transmission mechanism (6), and the left output half shaft (51) and the right output half shaft (52) are respectively connected to two sides of the differential assembly (55).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023121344.8U CN214743075U (en) | 2020-12-22 | 2020-12-22 | Double-motor gear-shifting unpowered-interruption two-gear variable-speed transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023121344.8U CN214743075U (en) | 2020-12-22 | 2020-12-22 | Double-motor gear-shifting unpowered-interruption two-gear variable-speed transmission device |
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| Publication Number | Publication Date |
|---|---|
| CN214743075U true CN214743075U (en) | 2021-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023121344.8U Active CN214743075U (en) | 2020-12-22 | 2020-12-22 | Double-motor gear-shifting unpowered-interruption two-gear variable-speed transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214743075U (en) |
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2020
- 2020-12-22 CN CN202023121344.8U patent/CN214743075U/en active Active
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